bank of america added another 1.8% to an 18 month high. a big global energy deal is one step closer tonight. late today canada okayed the buyout of nexen energy by chinese energy giant c-nooc. this is a $15.3 billion deal, representing another foreign expansion of a chinese energy company. canada's ministry of industry said c-nooc agreed to "free market principles." the buyout offer for nexen came in july. in today's regular session, nexen was heavily traded as they fell 6.6%. but after the canadian okay, they jumped more than 14.5% in extended hours trading, to almost $27 per share. u.s. and british regulators still have to approve the deal. two years ago google offered six billion to buy daily deal website group-on before it went public. group-on's market value is half that tonight and bloomberg reports there's take-over speculation. the stock jumped 23% today. volume more than doubled. some of the buying also could be from traders who sold short the stock to profit as it was falling. four of the top five most actively traded exchange tr